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555 PWM

Discussion in 'Electronic Basics' started by Jimmy Jam, Nov 19, 2006.

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  1. Jimmy Jam

    Jimmy Jam Guest

    Hello all,

    I am an absolute beginner at electronics.
    I need a DC motor (probably a 1.5 to 9V hobby DC motor from radio shack).

    I need to be able to vary its rotational speed.

    By chance, I happen to have a 555 IC.
    I don't know how to read a schematic, is there some way I can use it to
    build a pulse width control circuit ?

    Any other suggestions ?

    Please help !

    Thanks a bunch,
  2. Chris

    Chris Guest

    By Googling the phrase

    "555 +PWM" (no quotes), the first link that comes up is:

    This'll do the job.

    Good luck
  3. Phil Allison

    Phil Allison Guest

    "Jimmy Jam"

    ** Must be a beginner at using the net too.

    ** Ever heard of Google ??

    Try " 555 pwm " in the search box.

    ....... Phil
  4. Chris

    Chris Guest

    By the way, JJ, this page seems to be oriented toward newbies, but it
    still requires a little background. Take a look at the page, and post
    back if there's something you don't understand.

    Good luck
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